Rear bumper



FIG. 1 is a top perspective view of the rear bumper of the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a lower right side perspective view thereof; and,

FIG. 9 is an upper perspective view thereof.

The broken lines are included for the purpose of illustrating portions of the rear bumper that form no part of the claimed design. 

CLAIM The ornamental design for the rear bumper, as shown and described. 